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CVE-2021-28663

Known Exploited (CISA KEV)HIGH

8.8

CVSS Severity Score

EPSS Score90.3970%

EPSS Percentile86.01th

Published2021年5月10日

Last Modified2025年11月3日

Vulnerability Description

The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0.

Affected Platforms (CPE)

📦

Arm

Bifrost Gpu Kernel Driver

>= r0p0 and < r29p0

📦

Arm

Midgard Gpu Kernel Driver

>= r4p0 and < r31p0

📦

Arm

Valhall Gpu Kernel Driver

>= r19p0 and < r29p0

References & Advisories

🔗 https://developer.arm.com/support/arm-security-updates

🔗 https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver

🔗 https://github.com/lntrx/CVE-2021-28663

🔗 https://developer.arm.com/support/arm-security-updates

🔗 https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver

🔗 https://github.com/lntrx/CVE-2021-28663

🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28663

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